CVE-2018-9186 json
A cross-site scripting (XSS) vulnerability in Fortinet FortiAuthenticator in versions 4.0.0 to before 5.3.0 "CSRF validation failure" page…
published 2018-05-31 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-20783
- cvss
- 6.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 54%
- public exploits
- 0
- none known
Summary
A cross-site scripting (XSS) vulnerability in Fortinet FortiAuthenticator in versions 4.0.0 to before 5.3.0 "CSRF validation failure" page allows attacker to execute unauthorized script code via inject malicious scripts in HTTP referer header.
Patch / fix
- fortinet fortiauthenticator 5.3.0
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.73% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- Fortinet, Inc. FortiAuthenticator
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
fortiguard.com
/advisory/FG-IR-18-059
vendor-advisory
-
securityfocus.com
/bid/104371
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-9186
- NVD CVE-2018-9186
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